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2014 Mazda 3i Grand Touring test drive

What is it? The 2014 Mazda 3 marks the introduction of the third generation of Mazda's most popular car. The first generation was produced from 2003-2008, the second gen began in 2009.

Nissan TeRRA [w/Gallery]

Nissan has added another entry to the list of things see at the upcoming Paris motor show in the shape of its TeRRA SUV concept. The TeRRA is a seeming oxymoron as an electric SUV, mixing two of Nissan's strongest market segments into a vehicle that resembles a cross between a Leaf and a Patrol. "You have the big tires, high belt-line, thick pillars and thin side windows of the SUV vocabulary,” explains Shiro Nakamura, Nissan senior vice president and chief creative officer.

Tesla system will swap a Model S battery in 90 seconds

"This is the title fight," said Elon Musk, in typical brashness. "This is battery-powered versus gasoline." The Tesla CEO preached this to a crowd of Tesla owners and supporters while formally confirming the company's worst-kept secret: the fact that the Model S sedan's batteries were designed from the beginning to be swapped out. The system Tesla envisioned has plenty of ambitious, techno-wizardry automation, with a focus on as much convenience as possible: The Model S will drive over a pit containing machinery which automatically changes the battery from underneath in approximately 90 seconds -- and the driver doesn't even have to get out of the car.